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DSC

SKU: HSM3408

DSC HSM3408 DIN Rail Access Control Module

Compact DIN rail access control module for distributed door systems
- DIN rail access control module at 12VDC
- 35mm rail install reduces enclosure footprint
- Compatible with existing 12VDC security distribution
$143.48 $65.99 Save $77.49

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DSC

SKU: PC4204

DSC PC4204 Access Control Panel

Metal cabinet access controller for multi-reader, multi-door deployments
- PC4204 access control panel at 28VDC operation
- Metal cabinet mount for commercial deployments
- Direct integration with UPS and backup supplies
$340.66 $144.99 Save $195.67

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DSC

SKU: PG9303

DSC PG9303 Wireless Door/Window Contact Sensor

Slim wireless door/window sensor with 128-bit encryption, 5-year battery
- PG9303 slim wireless door/window contact (95mm)
- Fits narrow door and window edges where bulkier won't
- 128-bit AES encryption on CR2032 lithium battery
$106.52 $48.99 Save $57.53

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DSC

SKU: PG9307

DSC PG9307 PowerG Wireless Recessed Door Contact

Flush-mount wireless door contact, 2 km range, invisible installation
- PG9307 PowerG recessed door contact (flush mount)
- Concealed install for architectural aesthetics
- Up to 25mm gap distance for door/frame magnet
$164.85 $75.99 Save $88.86

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DSC

SKU: PG9309

DSC PG9309 Mini Door/Window Contact Sensor

Mini wireless door/window sensor, 65mm profile for frameless glass
- PG9309 mini door/window contact at 65mm length
- Fits frameless glass doors and narrow window casings
- 128-bit AES encryption on CR2032 lithium battery
$112.04 $51.99 Save $60.05

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DSC

SKU: PG9312

DSC PG9312 Outdoor Door/Gate Contact Sensor

Outdoor wireless contact sensor with 128-bit AES encryption and 8-year battery
- PG9312 outdoor door/gate contact, -30C to 60C
- 128-bit AES encryption with up to 8-year battery life
- CR123A lithium for harsh outdoor environments
$233.42 $106.99 Save $126.43

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DSC

SKU: PG9862

DSC PG9862 Pet-Immune Motion Detector

Wireless PIR motion detector with pet immunity up to 85 lbs
- PG9862 pet-immune motion detector to 38 kg (85 lb)
- Reduces nuisance alarms from medium-sized pets
- CR123A lithium with up to 5-year battery life
$266.39 $121.99 Save $144.40

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DSC

SKU: PG9872

DSC PG9872 PowerG Wireless 360° Ceiling-Mount PIR Motion Detector

360° ceiling PIR with 2 km wireless range and 5-year battery
- PG9872 360-degree ceiling-mount PIR motion detector
- 10.6 m diameter coverage at 2.4-3.6 m mounting height
- Single unit replaces 2-3 wall-mount detectors
$303.00 $136.99 Save $166.01

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DSC

SKU: PG9902

DSC PG9902 Outdoor Wireless Motion Detector

Outdoor wireless motion detector, -20°C to 55°C, 3-year battery life
- PG9902 outdoor wireless motion detector, -20C to 55C
- 8x AA lithium with up to 3-year battery life
- Direct-fit for cold-climate perimeter monitoring
$298.77 $136.99 Save $161.78

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DSC

SKU: PG9905

DSC PG9905 Wireless Flood Detector

Floor-mounted wireless flood sensor with 8-year battery life
- PG9905 wireless flood detector with 8-year battery
- CR123A lithium for crawl spaces and basements
- Direct-fit wireless sensor for water/flood alerts
$144.99 $80.99 Save $64.00

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DSC

SKU: PG9914

DSC PG9914 Pet-Immune Motion Detector

Wireless pet-immune motion detector, 38 kg threshold, 5-year battery
- PG9914 pet-immune motion detector (38 kg / 85 lb)
- Filters pet motion while sensitive to adult human
- CR123A lithium with up to 5-year battery life
$226.06 $103.99 Save $122.07

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DSC

SKU: PG9920

DSC PG9920 Wireless Security Keypad

Wireless keypad with 2.4" touchscreen and 128-bit AES encryption
- PG9920 wireless security keypad with 2.4-inch touchscreen
- Color LCD for arm/disarm without hardwired keypad
- Li-ion rechargeable with up to 2-year standby
$358.37 $357.99 Save $0.38

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SKU: PG9922

DSC PG9922 PowerG Wireless Acoustic Glassbreak Detector

Wireless acoustic glass break detector, 25 ft radius, PowerG encrypted
- PG9922 PowerG wireless acoustic glassbreak detector
- 7.6 m (25 ft) radius for plate/tempered/laminated glass
- 915 MHz FHSS with 128-bit AES encryption
$288.46 $131.99 Save $156.47

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DSC

SKU: PG9929

DSC PG9929 Wireless Door/Window Transmitter

Wireless door/window sensor with 3-year battery life and encrypted signal
- PG9929 wireless door/window transmitter with 8x AA
- Up to 3-year battery life on lithium cells
- 128-bit AES wireless encryption against tampering
$132.39 $60.99 Save $71.40

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SKU: PG9934P

DSC PG9934P Wireless Transmitter Module

Compact wireless transmitter with 128-bit AES for DSC security systems
- PG9934P wireless transmitter module at 62mm length
- PowerG 915 MHz FHSS with 2 km range in open air
- 128-bit AES encryption on CR2032 lithium battery
$313.99 $163.99 Save $150.00

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SKU: PG9935

DSC PG9935 Wireless Glass Break Detector

Wireless acoustic glass break detector, flush ceiling mount, 7-year battery
- PG9935 wireless glass break detector, flush ceiling
- Recessed install for visual concealment in spaces
- CR123A lithium with up to 7-year battery life
$164.92 $75.99 Save $88.93

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Access Control

Access control systems secure doors, manage credentials, and enforce entry policies across commercial facilities. Build a scalable deployment with the right combination of controllers, readers, credentials, and door hardware.

Plan Your Deployment

Door count and expansion requirements
Reader type (card, keypad, biometric) and credential format
Fail-safe vs fail-secure hardware design
Power, cabling, and network connectivity planning
Multi-site governance and consistent standards

Buying Guide Get Recommendations Deployment Support

Build a Complete System

Most access control installations need these companion products to be fully functional. Add them to your cart for system-wide compatibility.

Door intercoms

Aiphone DA-1MD Audio Handset Master Station

$82.99

Aiphone DB-1MD Hands-Free Master Station

$144.99

Aiphone DB-1SD Hands-Free Sub Master Station

$113.99

Aiphone JOS-1FW 7" Video Intercom Box Set with Mobile A

$820.99

What to Look For When Buying

The six decisions that matter most before you spec.

Fail-Safe vs Fail-Secure

Fail-safe locks (power-to-lock) unlock on power loss — required for egress routes by most fire codes. Fail-secure (power-to-unlock) stays locked on power loss — used on office and storage doors where security trumps egress. Life-safety code interpretation varies by jurisdiction; consult your AHJ before specifying. See our fail-safe vs fail-secure guide.

OSDP vs Wiegand

Wiegand is the legacy reader-to-controller protocol (unencrypted, one-way, limited to 26-bit formats). OSDP (Open Supervised Device Protocol) is the modern replacement — bidirectional, encrypted, supervised, and future-proof for Seos/mobile credentials. New deployments should be OSDP; plan a Wiegand-to-OSDP migration path in legacy systems before adding mobile credential support.

Credential Technology

125 kHz proximity (HID Prox, EM) is the legacy standard — cheap, cloneable, no security. 13.56 MHz smart cards (iCLASS SE, MIFARE DESFire EV3, Seos) use AES encryption and are the commercial standard. Mobile credentials via NFC/BLE increasingly replace physical cards — but only on OSDP-capable readers. Specify multi-technology readers for migration flexibility.

Cloud vs On-Prem Management

Traditional server-based access platforms (Lenel, Genetec, C-Cure) require IT infrastructure and maintenance contracts. Cloud-native platforms (Brivo, Openpath/Avigilon Alta, Genea) eliminate servers but add per-door monthly fees. Mid-size deployments increasingly choose cloud; enterprise + critical infrastructure still favor on-prem. Hardware choice determines which platforms you can run.

Power Supply Sizing

Every lock + reader + controller has an inrush current and a holding current — and they differ. Maglocks hold at 300-500 mA but pull 800 mA on release. UL 294 power supplies rated for total simultaneous holding + 25% headroom, with battery backup sized to code-required runtime. Undersized power supplies are the #1 cause of access-control nuisance failures.

Code Compliance (Egress)

IBC, NFPA 101, and ADA all mandate unimpeded egress. A magnetically-locked door requires a fire-alarm tie-in, a bond-sensor, and a request-to-exit device — omit any and the door is a code violation. Delayed-egress maglocks require 15-second delay + sounder per NFPA. Always confirm lock spec with the AHJ before ordering.

Technology Stack

The specs and acronyms that actually affect outdoor performance.

OSDP v2 + Secure Channel

Open Supervised Device Protocol v2 with Secure Channel Protocol (SCP) delivers AES-128 encryption between reader and controller over RS-485. Replaces unencrypted Wiegand. Required for new federal deployments and FIPS 140-2 applications. All modern HID, ASSA ABLOY, and STid readers support OSDP + SCP.

Seos + iCLASS SE Credentials

HID Seos is the current-generation credential platform: AES-128 encrypted, multi-application, supports mobile wallets, backward-compatible with iCLASS SE. Seos credentials work on Seos readers + older iCLASS SE readers — iCLASS SE credentials do not work on legacy iCLASS (non-SE) readers. Plan migrations carefully.

FIPS 201 / PIV + PIV-I

Federal Identity Verification standard — the credential format used for federal employee and contractor badges. PIV-I (Interoperable) is the commercial variant for hospitals, utilities, and critical-infrastructure contractors. Specify PIV/PIV-I-capable readers (HID pivCLASS, multiCLASS SE) for any facility that hosts government visitors.

UL 294 Listing

Underwriters Laboratories listing for access control system units — power supplies, controllers, and locks. UL 294 6th edition covers security, durability, and overcurrent/overvoltage protection. Insurance and code requirements increasingly specify UL 294 listing. Altronix access-control power supplies are UL 294 listed across the catalog.

Wiegand Protocol

Legacy reader-to-controller protocol — one-way, unencrypted, variable bit-length format. Easily cloned with <$50 hardware. Still widespread because of low cost and universal compatibility. Acceptable for low-security interior doors; should be replaced with OSDP on any external or sensitive-area door.

Request-to-Exit (REX)

Motion- or push-button-activated device that signals the access controller to unlock the door from the secure side without generating an alarm. Required for maglock-equipped egress doors per code. PIR REX sensors must be properly aimed — nuisance alarms and held-door violations trace back to bad REX placement more than any other cause.

Typical Deployment Scenarios

Multi-Tenant Office Building

Lobby turnstiles with multi-tech readers, tenant suite doors with HID Signo + Seos, parking garage with long-range readers, elevator control for floor-by-floor access. Cloud platform (Brivo, Openpath) with mobile credentials replaces physical card issuance. Integration with SIP video intercoms for visitor management.

K-12 School Secure Vestibule

Front entry vestibule with fail-secure electric strike, interior Aiphone video intercom for visitor buzz-in, badge readers for staff, lockdown button integrated with mass notification. Back-of-house doors fail-safe per code. Full VMS integration for event overlay.

Hospital & Healthcare

Unit doors with HID multiCLASS SE + PIV-I compatibility, medication rooms with dual-authentication (card + biometric), ER ambulance bays with ruggedized readers, delayed-egress on behavioral health wards. Lenel or Genetec server-based platform with HIPAA-compliant audit logging. High-cycle-count electric strikes required.

Data Center & Critical Infrastructure

Biometric readers at server-room entries, mantrap doors with anti-tailgating sensors, cage-level access with OSDP + SCP, 7x24 audit logging. FIPS 201 / PIV-I credentials. Integration with IP cameras for tailgating review and infrastructure monitoring for physical-layer security.

Frequently Asked Questions

What's the difference between fail-safe and fail-secure locks?

Fail-safe locks (also called "power-to-lock") unlock on power loss — required for egress routes by most fire and life-safety codes. Fail-secure locks ("power-to-unlock") stay locked on power loss — typically used on office, storage, and supply doors where security trumps egress. Always confirm lock selection with the local AHJ; see our fail-safe vs fail-secure guide.

Is OSDP required for new access control installations?

Not legally required in most jurisdictions — but strongly recommended and effectively mandatory for federal deployments. OSDP with Secure Channel provides AES-128 encryption between reader and controller, bidirectional supervision, and future-proof support for mobile credentials. Legacy Wiegand is unencrypted and easily cloned. New deployments should be OSDP-capable from day one; legacy systems should plan a migration path.

Are HID card readers NDAA compliant?

Yes. HID Global is headquartered in Austin, TX, manufactures in multiple allied countries, and is fully NDAA Section 889 compliant. HID Signo, multiCLASS SE, iCLASS SE, and pivCLASS reader families are all eligible for federal, state government, and critical-infrastructure procurement. Credential cards are manufactured to the same compliance standard.

How do I size an access control power supply?

Add up holding current for all locks + reader standby current + controller standby current, then add 25% headroom for inrush and aging. Battery backup should provide code-required standby runtime (typically 4 hours for fire-alarm tie-ins; 15 min for access-only). Altronix UL 294 power supplies post clear spec sheets for total and per-output current — match to your actual load, don't guess.

Can mobile credentials replace physical access cards?

In most modern deployments, yes — but the reader has to support it. Readers need NFC and/or BLE (Bluetooth Low Energy) plus a partnership with the mobile credential platform (HID Mobile Access, Openpath, Kastle, etc.). Older proximity-only readers cannot read mobile credentials. Mobile adoption is usually mixed with physical cards during a multi-year transition — plan for both.

What's the difference between iCLASS SE and Seos credentials?

iCLASS SE was HID's previous-generation secure credential (AES-128, 2013-era). Seos is the current generation (2016+) — same AES-128 security, but multi-application, mobile-wallet capable, and future-proof. Seos credentials work on Seos-capable readers and on older iCLASS SE readers. iCLASS SE credentials do not work on legacy (pre-SE) iCLASS readers. See our HID Global catalog for current Seos SKUs.